19706477

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 24596640

約数和(自身を除く): 4890163

約数列:

[1, 7, 19, 49, 61, 133, 347, 427, 931, 1159, 2429, 2989, 6593, 8113, 17003, 21167, 46151, 56791, 148169, 323057, 402173, 1037183, 2815211, 19706477]

約数ペア:

[(1, 19706477), (7, 2815211), (19, 1037183), (49, 402173), (61, 323057), (133, 148169), (347, 56791), (427, 46151), (931, 21167), (1159, 17003), (2429, 8113), (2989, 6593)]